84% (1957)

72% (1997)

71% (2005)

53% (1972)

81% (1974)

51% (2002)

85% (1999)

90% (2009)

80% (1963)

50% (2014)

0% (2009)

57% (2018)

65% (1997)

0% (1991)

0% (1980)

0% (1981)

65% (1984)

5% (2015)

38% (2015)

45% (2012)